Calc vs CompSci Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calc
A visually appealing and straightforward calculator app for iPhone and iPad. It offers a unique user interface with support for basic and scientific calculations, various number base conversions, and currency and unit conversions.
- Universal app for iPhone and iPad
- Basic and scientific calculations
- Number base conversions (decimal, hex, binary, octal)
- Currency and unit conversions
- Scrollable calculation history
- 10 color themes
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Calc is a beautiful simple tape calculator for your iPhone and iPad with a uniq user interface. Features: - universal App for your iPhone and iPad - Slide Over and Split View support - basic calculation - lots of scientific functions - decimal, hexadecimal, binary and octal conversion and calculations - currency conversion - uniq and easy percentage concept - unit conversions - scrollable calculation history - calculation history can be shared - 10 color themes Privacy Policy: https://apps.micw.org/pp.php Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
CompSci Calculator
Perform calculations and conversions between decimal, hexadecimal, and binary bases in real-time. Ideal for programmers and computer scientists, it offers simultaneous display of values across all three modes and supports bitwise operations and complements.
- Decimal, hexadecimal, and binary base calculations
- Real-time simultaneous conversion
- Basic algebra between bases
- Selectable bit size (8, 16, 24, 32)
- Bitwise functions
- 1's and 2's complements
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CompSci Calculator lets you calculate in three different bases: decimal, hexadecimal, and binary. CompSci Calculator was developed for programmers, developers, computer engineers, and computer scientists. In real time you can do part of an equation in one base and then switch to another and complete the equation. As you type in any particular base the values in all three modes are displayed together. Because of the real time instant conversion between the bases CompSci Calculator also serves as an excellent conversion tool. Features: -basic algebra between bases -simultaneous answers in all three bases -selectable bit size: 8,16,24,32 -optional additional 16 bits of radix point precision -bitwise functions -1's and 2's complements -shift left and shift right Student and teacher feedback is very appreciated!
Screenshots
Verdict
The clearest difference is rating: CompSci Calculator at 4.4 against Calc's 3.9. CompSci Calculator also leads on in-app purchases (none vs 2) and update cadence (every 3 days vs every 2 months). Calc's advantage is ads (none vs shown) and review sentiment (81% vs 63%). On price, ratings volume and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Calc sells 2 in-app purchases, starting at $0.99 per month. CompSci Calculator asks for nothing beyond the download.
CompSci Calculator holds the better App Store score, 4.4 against 3.9. Both are backed by a comparable volume of ratings — 28 and 42 respectively. Written reviews complicate that: 81% of Calc's written reviews are positive against 63% of CompSci Calculator's, so the app with the better star average is not the one people write more warmly about.
Calc ships an update every 2 months, CompSci Calculator every 3 days. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.
| Parameter | Calc | CompSci Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (28 ratings) | 4.4 (42 ratings) — better |
| Positive reviews | 80.8% of reviews — better | 62.5% of reviews |
| Number of ratings | 28 | 42 — better |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 10.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Mike Wesemann | Corey Smith |
Customer experience
Calc
CompSci Calculator
Bugs and requests
Calc
Reported bugs
2 issues- Percentage calculations not working correctly
- Cos 90 showing incorrect result
Requested features
6 requests- Copy and paste support
- Larger buttons for easier use
- Ability to clear calculation history
- Auto-insert previous result when using operators
- Landscape mode support
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- Formatting for large numbers (e.g. 1,000,000)
CompSci Calculator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calc
- Calc Pro$0.991 Month
- Calc Pro$4.991 Year
CompSci Calculator
No in-app purchases
Questions
Is Calc free?
Is CompSci Calculator free?
Which has better reviews, Calc or CompSci Calculator?
Do Calc or CompSci Calculator have ads?
Which is updated more often, Calc or CompSci Calculator?
Other comparisons
